1. The landscape image is by Flickr user Nicholas_T (http://www.flickr.com/photos/nicholas_t/1426623052/) and is used under license.
2. The monkey image is by rachelps on openclipart (https://openclipart.org/detail/2876/cheeky-monkey-by-rachelps) and is used under license.
1. This image is taken from Wikimedia (http://en.wikipedia.org/wiki/File:HSL_color_solid_cylinder_alpha_lowgamma.png) and is published under a Creative Commons Attribution license.
1. This image is from Wikimedia Commons (http://commons.wikimedia.org/wiki/File:Coord_system_CA_0.svg ...